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(computer science) the mechanical, magnetic, electronic, and electrical components making up a computer system

imput device

used to enter information into the computer. Examples are keyboard, joystick, modem, mouse, scanner, voice recognition, touch screen, microphone, light pen, and stlus.

output device

displays or prints information produced by a computer. Printers and monitors are examples of output devices. A printer produces a hard copy output while a monitor produces a soft copy output.


(computer science) memory whose contents can be accessed and read but cannot be changed


(computer science) the part of a computer (a microprocessor chip) that does most of the data processing

super computer

the largest and fastest computers


(computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory


a machine for performing calculations automatically


(computer science) the part of a computer (a microprocessor chip) that does most of the data processing

operating system

(computer science) software that controls the execution of computer programs and may provide various services

storage device

a device that preserves information for retrieval


a digital computer of medium size

application program

a program that gives a computer instructions that provide the user with tools to accomplish a task


the most common computer memory which can be used by programs to perform necessary tasks while the computer is on

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